40 lines
999 B
Go
40 lines
999 B
Go
package command
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import (
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"flag"
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"fmt"
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"strings"
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)
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// BuildOptionFlags sets the proper command line flags needed for
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// build options.
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func BuildOptionFlags(fs *flag.FlagSet, f *BuildOptions) {
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fs.Var((*SliceValue)(&f.Except), "except", "build all builds except these")
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fs.Var((*SliceValue)(&f.Only), "only", "only build the given builds by name")
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fs.Var((*userVarValue)(&f.UserVars), "var", "specify a user variable")
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fs.Var((*AppendSliceValue)(&f.UserVarFiles), "var-file", "file with user variables")
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}
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// userVarValue is a flag.Value that parses out user variables in
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// the form of 'key=value' and sets it on this map.
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type userVarValue map[string]string
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func (v *userVarValue) String() string {
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return ""
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}
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func (v *userVarValue) Set(raw string) error {
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idx := strings.Index(raw, "=")
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if idx == -1 {
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return fmt.Errorf("No '=' value in arg: %s", raw)
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}
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if *v == nil {
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*v = make(map[string]string)
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}
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key, value := raw[0:idx], raw[idx+1:]
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(*v)[key] = value
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return nil
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}
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